{"uid":"cap_Y9y7DYSYyCNdj6eXbZpsn","slug":"null-coverage-analytics-category-frequencies-adjacent-row-changes-57481ba3","name":"Null Coverage Analytics: Category Frequencies + Adjacent Row Changes","description":"Null coverage — Category frequencies + Adjacent row changes: Category frequencies + Adjacent row changes for supplied null coverage records (missing_values, total_values). Up to 200 rows; 2 independent reports using shared local analytical engines. No live lookup, prediction, professional assessment or external action. 0.01 USDC includes 2 supplied-data reports for up to 200 rows.","url":"https://market.datapackvibe.com/x402/assistant-ib26-analytics-03-104?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"rows":{"type":"array","items":{"type":"object","required":["row_id","dataset_group","date","missing_values","total_values"],"properties":{"date":{"type":"string","default":"","pattern":"^\\d{4}-\\d{2}-\\d{2}$","maxLength":10},"row_id":{"type":"string","default":"","maxLength":80,"minLength":1},"total_values":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000},"dataset_group":{"type":"string","default":"","maxLength":80},"missing_values":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000}},"additionalProperties":false},"default":[{"date":"2026-10-01","row_id":"row-1","total_values":1,"dataset_group":"group-a","missing_values":10},{"date":"2026-10-02","row_id":"row-2","total_values":2,"dataset_group":"group-b","missing_values":20},{"date":"2026-10-03","row_id":"row-3","total_values":3,"dataset_group":"group-a","missing_values":15},{"date":"2026-10-04","row_id":"row-4","total_values":4,"dataset_group":"group-b","missing_values":30}],"maxItems":200,"minItems":1},"field":{"enum":["missing_values","total_values"],"type":"string","default":"missing_values"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_9hHTvWuivwPcmPK7SFoMD","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes category frequencies and adjacent row changes for null coverage records (missing_values, total_values) across up to 200 rows using local analytical engines.","exampleAgentPrompt":"Analyze these null coverage records for me — run both a category frequency report and an adjacent row change report on the missing_values field across my dataset groups: [{\"row_id\":\"r1\",\"dataset_group\":\"sales\",\"date\":\"2024-01-01\",\"missing_values\":5,\"total_values\":100},{\"row_id\":\"r2\",\"dataset_group\":\"sales\",\"date\":\"2024-01-02\",\"missing_values\":8,\"total_values\":100},{\"row_id\":\"r3\",\"dataset_group\":\"ops\",\"date\":\"2024-01-03\",\"missing_values\":2,\"total_values\":50}].","exampleUseCases":[{"title":"Data quality audit by team","prompt":"I have 150 rows of null coverage data from three dataset groups — finance, ops, and marketing. Can you run a category frequency report and adjacent row change analysis on the missing_values field so I can see which group contributes most missing data and how it shifts day over day?"},{"title":"Monitoring total_values drift","prompt":"Run a null coverage analysis on these records using total_values as the field — I want to see both how often each dataset_group appears and how the total_values numbers change between consecutive rows, so I can spot any sudden drops."},{"title":"Weekly data completeness review","prompt":"Here are my weekly null coverage records across two dataset groups for October. Can you give me category frequencies and adjacent row changes for missing_values so I can include both reports in my weekly data completeness summary?"}],"resultDescription":"Two independent analytical reports: (1) category frequencies showing how often each dataset_group value appears across the supplied rows, and (2) adjacent row changes showing the delta in the selected field (missing_values or total_values) between each consecutive row pair. Both reports are computed locally from the supplied data with no external lookups.","failureModes":["Missing required fields (row_id, dataset_group, date, missing_values, total_values) will cause validation errors","Submitting more than 200 rows exceeds the maxItems limit and will be rejected","Invalid date format (not YYYY-MM-DD) will fail pattern validation","Supplying an invalid field enum value (anything other than missing_values or total_values) will be rejected","Null or out-of-range numeric values beyond ±1,000,000,000,000 will fail schema validation"],"whenToPreferThis":"Choose this endpoint when you need two simultaneous analytical reports — category frequencies and adjacent row changes — on null coverage data (missing_values and total_values) for up to 200 rows, without requiring any external data lookup or live data source. Ideal for data quality workflows, completeness monitoring, and batch analysis of pre-collected null coverage records at low cost ($0.01 USDC for both reports).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-16T06:55:19.226Z","isFirstParty":false,"canonicalSlug":"null-coverage-analytics-category-frequencies-adjacent-row-changes-57481ba3"}